Hold the Line
Belting is the most expensive component of a conveying system. Superior’s Self-Aligning Idlers ensure that your conveyor belts stay on track, minimizing the chance of severe belt damage.
Concave in shape, the idler’s side guide rollers restrain the belt from running up and over the conveyor. In order to lessen the wear on the belt, the side guide rollers are made with high-grade HDPE that reduces the friction between the idler and belt.
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Models
Advantages
Troughing Idler
Short sentence describing the ideal applications for a troughing idler.
Troughing Idler
Short sentence describing the ideal applications for a troughing idler.
Troughing Idler
Short sentence describing the ideal applications for a troughing idler.
Troughing Idler
Short sentence describing the ideal applications for a troughing idler.
The Next Generation Idlers
After decades of field testing and refinement, the next generation of idlers is here.
Superior just completed the biggest idler redesign of your lifetime. Millions have been invested in automated and modern manufacturing.
Reduce maintenance, reduce failure, and protect the belt. Get Superior-built steel idlers made to size for your specific application.
Videos
Overhead view of 3055 Liberty Jaw crushing boulders
Overhead view of 3055 Liberty Jaw crushing boulders
Overhead view of 3055 Liberty Jaw crushing boulders
Liberty Jaw Models & Specifications
Standard Specifications
| Model | Weight | Feed Opening | CSS | Capacity | Speed | Max Feed Size | Power | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| kg | lbs | mm x mm | in x in | mm | in | mtph | stph | rpm | mm | in | kW | hp | |
| 2155B | 16,500 | 36,400 | 530 x 1,400 | 21 x 55 | 40–130 | 1.6"–5.1" | 90–400 | 100–440 | 280 | 427 | 16.8" | 110 | 150 |
| 2636B | 14,050 | 31,000 | 650 x 900 | 26 x 36 | 60–160 | 2.4"–6.3" | 110–360 | 120–396 | 300 | 528 | 20.8" | 75 | 100 |
| 3042B | 15,700 | 34,600 | 750 x 1,070 | 30 x 42 | 70–200 | 2.75"–8" | 150–500 | 165–550 | 280 | 610 | 24.0" | 110 | 150 |
| 3343B | 22,300 | 49,200 | 830 x 1,100 | 33 x 43 | 80–200 | 3.2"–8" | 180–620 | 200–680 | 270 | 671 | 26.4" | 110 | 150 |
| 3055B | 26,950 | 59,000 | 760 x 1,400 | 30 x 55 | 70–200 | 2.75"–8" | 240–780 | 265–855 | 260 | 610 | 24.0" | 160 | 200 |
| 3455B | 31,500 | 69,445 | 860 x 1,400 | 34 x 55 | 100–200 | 4"–8" | 320–800 | 353–880 | 250 | 691 | 27.2" | 160 | 200 |
| 3448B | 28,000 | 62,000 | 860 x 1,220 | 34 x 48 | 70–200 | 2.75"–8" | 170–560 | 185–615 | 250 | 691 | 27.2" | 160 | 200 |
| 4051B | 42,000 | 92,600 | 1,010 x 1,300 | 40 x 51 | 100–200 | 4"–8" | 290–880 | 320–970 | 230 | 813 | 32.0" | 160 | 200 |
| 4655B | 52,500 | 115,800 | 1,160 x 1,400 | 46 x 55 | 150–250 | 6"–10" | 400–900 | 440–990 | 230 | 935 | 36.8" | 200 | 300 |
| 5165B | 71,250 | 157,100 | 1,290 x 1,650 | 51 x 65 | 150–270 | 6"–10.5" | 550–1,100 | 605–1,210 | 220 | 1,036 | 40.8" | 250 | 350 |
| 6080B | 135,000 | 297,000 | 1,525 x 2,030 | 60 x 80 | 200–300 | 8"–12" | 700–1,450 | 770–1,595 | 200 | 1,219 | 48.0" | 400 | 500 |
Gradation / Percent Passing
| Size of Material | Percent Passing for a Given Closed Side Setting - Average Feed Material (12-14 Work Index) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| in | mm | 1.5" (38mm) | 2" (50mm) | 2.5" (63mm) | 3" (76mm) | 3.5" (88mm) | 4" (101mm) | 5" (127mm) | 6" (152mm) | 7" (177mm) | 8" (203mm) | 10" (254mm) | 11" (279mm) | 12" (304mm) |
| 18 | 457 | 100% | 100% | |||||||||||
| 16 | 406 | 100% | 98 | 94 | ||||||||||
| 14 | 355 | 98 | 90 | 83 | ||||||||||
| 12 | 304 | 100% | 84 | 77 | 70 | |||||||||
| 10 | 254 | 100% | 100% | 88 | 70 | 64 | 58 | |||||||
| 8 | 203 | 100% | 94 | 80 | 70 | 56 | 51 | 47 | ||||||
| 7 | 177 | 94 | 82 | 70 | 61 | 49 | 45 | 41 | ||||||
| 6 | 152 | 100% | 100% | 82 | 70 | 60 | 53 | 42 | 38 | 35 | ||||
| 5 | 127 | 100% | 99 | 87 | 70 | 58 | 50 | 44 | 35 | 32 | 29 | |||
| 4 | 101 | 100% | 100% | 92 | 80 | 70 | 56 | 47 | 40 | 35 | 28 | 25 | 23 | |
| 3 | 76 | 100% | 95 | 83 | 70 | 60 | 53 | 42 | 35 | 30 | 27 | 21 | 19 | 18 |
| 2.5 | 63 | 95 | 85 | 70 | 59 | 50 | 44 | 35 | 29 | 25 | 22 | 18 | 16 | 15 |
| 2 | 50 | 85 | 70 | 57 | 48 | 40 | 35 | 28 | 24 | 20 | 18 | 14 | 13 | 12 |
| 1.5 | 38 | 69 | 52 | 42 | 35 | 30 | 26 | 21 | 18 | 15 | 14 | 11 | 10 | 9 |
| 1 | 25 | 44 | 34 | 28 | 23 | 20 | 17 | 14 | 12 | 10 | 9 | 7 | 7 | 6 |
| 0.75 | 19 | 32 | 25 | 21 | 18 | 15 | 13 | 11 | 9 | 8 | 7 | 5 | 5 | 5 |
| 0.5 | 12 | 22 | 18 | 15 | 12 | 10 | 9 | 7 | 6 | 5 | 5 | 4 | 4 | 3 |
| 0.25 | 6 | 12 | 10 | 8 | 6 | 5 | 5 | 4 | 3 | 3 | 2 | 2 | 2 | 1 |
Real Stories, Proven Performance
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Start Your Circuit the Right Way
Every efficient material handling setup starts with a steady feed. A feed hopper gives your loaders, excavators, and clamshells a consistent target and your conveyors a controlled flow of material. It keeps production moving smoothly by preventing surges, spillage, and stop-and-go operation that slows everything downstream.
Built for the abuse that comes with loading equipment, each hopper is lined, reinforced, and sized for your material and throughput. Whether it’s stationary or portable, the goal’s the same: keep material moving evenly from the first bucket to the last belt.
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